Introducing the new Formula Four - 93 Duro - Soft Sliders. The newest wheel from spitfire wheels.

• The most controllable and consistent sliding soft wheel out.
• Soft Duro combined w/ High Rebound compound absorbs more impact & vibrations - easier on your body for longer sessions.
• Holds speed through even the roughest terrain.
• Reliable grip when you need it.
• Unmatched Formula Four flatspot resistance.